Can I use
?

Object RTC (ORTC) API for WebRTC

- OTHER

Enables mobile endpoints to talk to servers and web browsers with Real-Time Communications (RTC) capabilities via native and simple JavaScript APIs

Chrome

  1. ❌ 4 - 137: Not supported
  2. ❌ 138: Not supported
  3. ❌ 139 - 141: Not supported

Edge

  1. ❌ 12: Not supported
  2. ✅ 13 - 18: Supported
  3. ❌ 79 - 137: Not supported
  4. ❌ 138: Not supported

Safari

  1. ❌ 3.1 - 18.4: Not supported
  2. ❌ 18.5: Not supported
  3. ❌ 26.0 - TP: Not supported

Firefox

  1. ❌ 2 - 139: Not supported
  2. ❌ 140: Not supported
  3. ❌ 141 - 143: Not supported

Opera

  1. ❌ 9 - 116: Not supported
  2. ❌ 117: Not supported

IE

  1. ❌ 5.5 - 10: Not supported
  2. ❌ 11: Not supported

Chrome for Android

  1. ❌ 138: Not supported

Safari on iOS

  1. ❌ 3.2 - 18.4: Not supported
  2. ❌ 18.5: Not supported
  3. ❌ 26.0: Not supported

Samsung Internet

  1. ❌ 4 - 27: Not supported
  2. ❌ 28: Not supported

Opera Mini

  1. ❌ all: Not supported

Opera Mobile

  1. ❌ 10 - 12.1: Not supported
  2. ❌ 80: Not supported

UC Browser for Android

  1. ❌ 15.5: Not supported

Android Browser

  1. ❌ 2.1 - 4.4.4: Not supported
  2. ❌ 138: Not supported

Firefox for Android

  1. ❌ 140: Not supported

QQ Browser

  1. ❌ 14.9: Not supported

Baidu Browser

  1. ❌ 13.52: Not supported

KaiOS Browser

  1. ❌ 2.5: Not supported
  2. ❌ 3: Not supported

ORTC is often dubbed WebRTC 1.1. It is possible to make ORTC communicate with WebRTC 1.0 endpoints. See WebRTC 1.0 for support details for that API.

Resources:
Related blog posts by Microsoft